public static WaterTableField GenerateWaters(Bitmap bmp, IField2d <float> baseField = null, WaterTableArgs args = null, Random random = null)
{
args = args ?? new WaterTableArgs()
{
seed = System.DateTime.UtcNow.Ticks
};
random = random ?? new Random((int)args.seed);
baseField = baseField ?? new Simplex2D(bmp.Width, bmp.Height, args.baseNoiseScale, args.seed);
Field2d <float> field = new FieldFromBitmap(bmp);
baseField = new NormalizedComposition2d <float>(baseField, new ScaleTransform(new Simplex2D(baseField.Width, baseField.Height, args.baseNoiseScale, args.seed), args.baseNoiseScalar));
BrownianTree tree = BrownianTree.CreateFromOther(field, (x) => x > 0.5f ? BrownianTree.Availability.Available : BrownianTree.Availability.Unavailable, random);
tree.RunDefaultTree();
HydrologicalField hydro = new HydrologicalField(tree, args.hydroSensitivity, args.hydroShoreThreshold);
WaterTableField wtf = new WaterTableField(baseField, hydro, args.wtfShore, args.wtfIt, args.wtfLen, args.wtfGrade, () =>
{
return((float)(args.wtfCarveAdd + random.NextDouble() * args.wtfCarveMul));
});
return(wtf);
}
public static void RunMeterScaleMapScenario()
{
var wta = new WaterTableArgs();
var waters = new FieldFromBitmap(new Bitmap(wta.inputPath + "rivers.png"));
var heights = new FieldFromBitmap(new Bitmap(wta.inputPath + "base_heights.png"));
var msmArgs = new MeterScaleMap.Args(waters, heights, heights, null);
msmArgs.seed = System.DateTime.UtcNow.Ticks;
msmArgs.metersPerPixel = 1600;
msmArgs.riverCapacityToMetersWideFunc = c => (float)Math.Sqrt(msmArgs.metersPerPixel * SplineTree.CAPACITY_DIVISOR * c);
var msm = new MeterScaleMap(msmArgs);
msm.OutputHighLevelMaps(new Bitmap(waters.Width, waters.Height), "C:\\Users\\Justin Murray\\Desktop\\terrain\\");
msm.OutputMapGrid(100, "C:\\Users\\Justin Murray\\Desktop\\terrain\\", "submap");
}
public static void RunMeterScaleMapScenarioUR()
{
var wta = new WaterTableArgs();
var waters = new FieldFromBitmap(new Bitmap(wta.inputPath + "rivers_ur_alt.png"));
var heights = new FieldFromBitmap(new Bitmap(wta.inputPath + "base_heights_ur_alt.png"));
var roughness = new FieldFromBitmap(new Bitmap(wta.inputPath + "base_heights_ur_alt.png"));
var msmArgs = new MeterScaleMap.Args(waters, heights, roughness, null);
msmArgs.seed = System.DateTime.UtcNow.Ticks;
msmArgs.metersPerPixel = 1600 / 5;
msmArgs.riverCapacityToMetersWideFunc = c => (float)Math.Pow(msmArgs.metersPerPixel * SplineTree.CAPACITY_DIVISOR * c, 0.5f) / 4f;
msmArgs.baseHeightMaxInMeters = 800f;
msmArgs.mountainHeightMaxInMeters = 3000f;
msmArgs.valleyStrength = 0.98f; // TODO: Enable a function to control valley width, strength, and glaciation.
var msm = new MeterScaleMap(msmArgs);
msm.OutputHighLevelMaps(new Bitmap(waters.Width, waters.Height), "C:\\Users\\Justin Murray\\Desktop\\terrain\\");
msm.OutputMapGrid(100, "C:\\Users\\Justin Murray\\Desktop\\terrain\\", "submap", 256);
}
